Descriptive Statistics Std. Mean Deviation N Age at first birth 19.6086 3.77960 833 Highest school grade 11.24 1.539 891 completed Hours worked per week 34.17 12.604 387 in current job Family income prior $1,154.61 $778.539 805 month, all sources Correlations Hours Family Highest worked per income prior Age at first school grade week in month, all birth completed current job sources Age at first birth Pearson Correlation 1 .201 020 -.085 Sig. (2-tailed) <.001 n highest school grade pearson correlation .201 completed sig. .220 hours worked per week .020 .055 .313 in current job .698 family income prior month all sources is significant at the level>